If * is defined for all positive real numbers a and b by a*b=ab/(a+b), then 10*2=?

If * is defined for all positive real numbers a and b by ab=ab/(a+b), then 102=? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Jannatul Ferdush

5/3

5/2

20/3

0 5

Institution: Bangladesh Bank Exam: Bangladesh bank ; officer ( general) - 27.04.2018 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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How many integers from 1 to 1000 are divisible by 30 but not by 16 ?

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If * is defined for all positive real numbers a and b by ab=ab/(a+b), then 102=? ?

How many integers from 1 to 1000 are divisible by 30 but not by 16 ?

Which fruit does P like?

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If * is defined for all positive real numbers a and b by a*b=ab/(a+b), then 10*2=? ?

How many integers from 1 to 1000 are divisible by 30 but not by 16 ?

Which fruit does P like?

Sidebar

Advertishment

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If * is defined for all positive real numbers a and b by ab=ab/(a+b), then 102=? ?